//************************************************************************
//	E3_5.java		Author:GK
//  
//  	Demonstrates the formatting of decimal values using the 
//	DecimalFormat class.
//************************************************************************

import java.util.Scanner;
import java.text.DecimalFormat;

public class E3_5
{
	//----------------------------------------------------------------
	//  Calculates the area and circumference of a circle given its 
	//  radius.
	//----------------------------------------------------------------
	public static void main(String[] args)
	{
		int radius;
		double area, circumference;

		Scanner scan = new Scanner(System.in);

		System.out.print("Enter the circle's radius: ");
		radius = scan.nextInt();

		area = Math.PI * Math.pow(radius, 2);
		circumference = 2 * Math.PI * radius;

		// Round the output to three decimal places
		DecimalFormat fmt = new DecimalFormat("0.###");
  	System.out.println("The circle's area: " + fmt.format(area));
	System.out.println("The circle's circumference: " +
	fmt.format(circumference));
	}
}
